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D-dimer as a Prognostic Tool in Patients with Normotensive Pulmonary Embolism / 결핵및호흡기질환
Tuberculosis and Respiratory Diseases ; : 87-92, 2010.
Article in Korean | WPRIM | ID: wpr-166248
ABSTRACT

BACKGROUND:

D-dimer testing is widely applied as a first step in the diagnostic work-up of pulmonary embolism (PE). Although this is the most sensitive assay for ruling out PE, the prognostic implications of D-dimer testing in patients with normotensive PE are not well known. The aim of this study was to determine if D-dimer testing on admission predicts major adverse cardiac events (MACE) in patients with normotensive PE.

METHODS:

A total of 180 consecutive patients with normotensive PE admitted between January 2003 and June 2009 were included. The group was divided into quartiles on the basis of their D-dimer levels. We compared the frequency of MACE by quartile of D-dimer level and estimated sensitivity, specificity, and predictive values for MACE in the first and fourth quartile.

RESULTS:

In the 37 (20.6%) patients with MACEs, the median D-dimer level (7.94 [IQR 4.03~18.17] microgram/mL) was higher than in patients with a benign course (5.29 [IQR 2.60~11.52] microgram/mL, p<0.01). The occurrence of MACEs was increased with increasing D-dimer level (p=0.017). In the first quartile (D-Dimer <2.76 microgram/mL) sensitivity, specificity, and positive and negative predictive values for predicting MACEs were, respectively, 91.9%, 29.4%, 25.2%, and 93.3%.

CONCLUSION:

Patients with D-dimer levels below 2.76 microgram/mL have a low risk of MACEs. Our study suggest that D-dimer level may be used to identify low risk patients with normotensive PE.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Prognosis / Pulmonary Embolism / Fibrin Fibrinogen Degradation Products / Resin Cements Type of study: Prognostic study Limits: Humans Language: Korean Journal: Tuberculosis and Respiratory Diseases Year: 2010 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Prognosis / Pulmonary Embolism / Fibrin Fibrinogen Degradation Products / Resin Cements Type of study: Prognostic study Limits: Humans Language: Korean Journal: Tuberculosis and Respiratory Diseases Year: 2010 Type: Article